Audio peak filter circuit – with practical example
How to flatten peaks in the frequency response? Implementing an audio peak filter circuit in your passive crossover design can sort out unwanted bumps in frequency response. These are normally…
Group delay explanation and measurement
What is group delay? Let’s try to give a beginner friendly group delay explanation. First of all, you will find the term group delay in all kinds of areas which…
ZMA impedance file – how to make one
Generating a ZMA impedance file If you want to make a ZMA impedance file, there are certainly several ways you could achieve this. First of all, you need a device…
How to make a FRD file – using ARTA software
How do I generate a file with the FRD extension? If you have done frequency response measurements before, learning how to make a FRD file should be a piece of…
Baffle step calculator – with circuit examples
How to compensate for diffraction gain? To simplify things, you can use a baffle step calculator, devise a simple circuit, and reduce the boost in higher frequencies caused by the…
Loudspeaker step response measurement and explanation
Step response in audio The loudspeaker step response is a plot derived from the impulse response, and holds useful information regarding the quality of the loudspeaker. The step response is…
Learn loudspeaker design from scratch
